Alarm clock



FIG. 1 is a perspective view of a alarm clock showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken-line dial portions of FIGS. 1 and 2 are environmental onlyand form no part of the claimed design.

The ornamental design for alarm clock, as shown and described.